Outdoor towel rack



FIG. 1 is a perspective view of an outdoor towel rack, showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left-side elevational view thereof, the right-side elevational view being a mirror image thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken lines showing a towel in FIG. 1 are included for the purpose of illustrating the invention in use, and form no part of the claimed design. 

What is claimed is the ornamental design for an outdoor towel rack, as shown and described. 